Unverified85% confidenceDecision RuleTime unknown
浴室湿区挂杆的固定螺丝/膨胀管须为304不锈钢或尼龙材质，碳钢螺丝即使杆体不锈钢也会在半年内锈蚀导致整体松脱
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85%
Confidence
Long-term
Relevance
-
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Unverified潮湿环境（阳台/浴室外）应选304不锈钢或全塑包管材质，喷漆碳钢管在漆面磕碰后6-12个月内会从缺口处锈蚀86% similarUnverified阳台/浴室等潮湿环境必须选304不锈钢或表面喷塑处理的钢管，普通镀铬/电镀铁管在潮湿环境3-6个月接口处即开始锈蚀掉漆84% similarUnverified潮湿环境（浴室/厨房/户外）必须选304不锈钢螺丝，碳钢镀锌螺丝在潮湿环境1-2年即锈蚀导致强度下降甚至断裂84% similarUnverified卫生间长期潮湿环境优先选304不锈钢管材，碳钢喷塑管一旦表面涂层刮破，2-3个月即从破损处锈蚀，承重结构安全性下降84% similarUnverified选购螺丝式加固锅柄应确认配套螺丝为不锈钢（304及以上）材质，碳钢螺丝在潮湿厨房环境半年内易生锈滑丝，导致锅柄松动脱落83% similar
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